Tulaga fa'amaonia | Qingdao Junray ZR-1006 o le masini su'esu'e lelei filtration ufimata e agavaa uma tapulaʻa.
Ia Iulai 2020, o le oloa fetu, ZR-1006 Mask Particulate Filtration Efficiency ma le Air flow Resistance Tester Fa'atomuaga O le ZR-1006 mask particle filtration efficiency and airflow resistance...